MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to contain metadata related to the 'Narasimham committee report' and wkhtmltopdf, suggesting a lure. The primary malicious IOC is the ttraff.ru redirector URL, which is likely used to funnel victims to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=narasimham+committee+report+on+the+financial+system+1991+pdf In PDF document text
- http://files.picturesquechange.org/uploads/1/3/2/8/132815054/614797a24b595fe.pdfIn PDF document text
- http://files.sweetonketobakery.com/uploads/1/3/0/8/130874369/7849f6d78.pdfIn PDF document text
- http://files.yuriokahana.com/uploads/1/3/1/4/131407802/121bb9c4f.pdfIn PDF document text
- http://files.artbytiffany.org/uploads/1/3/1/4/131406434/wabuwone.pdfIn PDF document text
- http://files.cellgenetherapy.com/uploads/1/3/0/8/130814666/5046855.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9149/9935/files/fumazav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0771/2155/files/zofupimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2947/9076/files/38871542406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jokopewizemaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3422/1466/files/zalesapun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9334/3899/files/kodipovukog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4686/3005/files/89987517249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1302/0570/files/duvewewop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6819/3952/files/54830513768.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wulusiwebope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0860/5859/files/75480013369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5208/1053/files/siked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9812/files/gamezafuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/57426121224.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
🗂 Part of campaign:
ekstasisculture.org
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000086fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86FD | 5460 bytes |
SHA-256: e844fff151febe6d7879681ae1e6deecb45eef88d1e8bbdbc8dc802b9993fd17 |
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font_01_sfnt_off00009972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9972 | 10604 bytes |
SHA-256: debda99917a13f025dc67e2a9a70d34750d2ac59d7681800061ec8a74a515ef2 |
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